MP3 Portable mini speaker with card reader

1. Connect DC5V adaptor to the DC5V power input socket of speaker, and to charge or recharge this speaker system.
2. With SD/MMC, U disc reader (Maximum support 2G), MP3 format music can be played. 3. No need to shift among U disc/SD/MCC, speaker automatically read the first input media device, If first input SD/MCC, you need to take out SD/MCC card, then speaker can read MP3 music file from U Disc.
4."◢Volume-/ Backward, long press this button, Volume decreased, short press this button, music shifted to the upper one."◤Volume+/ Forward, long press this button, Volume increased, Short press this button, music shifted to the next one "▊this button is for pause and play . 5.Connect 3.5mm stereo audio cable to speaker socket "LINEIN", you can enjoy the music from mobile phone,MP3,MP4,PC,IPOD and other audio devices.
6.FM frequency response: 87.5-108MHZ